形容詞 preparatory:

1. preceding and preparing for something
   同義詞：preparative, propaedeutic

1. A preparatory action or measure.
   準備預防性行動或措施
2. The act or procedure of giving or receiving concise preparatory instructions, information, or advice.
   簡介給予或接受簡潔的預備性的指令、信息或忠告的行為或步驟
3. What are your preparatory measures?
   你的初步措施是什么？
4. They finished the preparatory training.
   他們完成了預備訓練。

pre.par.a.to.ry

adj.Abbr. prep.（形容詞）縮寫 prep.
Serving to make ready or prepare; introductory.See Synonyms at preliminary
準備的：用于準備的；介紹性的參見 preliminary
Relating to or engaged in study or training that serves as preparation for advanced education:
預科的：關于或參加為高等教育作準備的學習或訓練的：
例句：
a preparatory course; preparatory students.
預備課程；預科學生

adv.（副詞）
In preparation for. Used withto :
作為…的準備。與to 連用：
例句：
A thorough cleaning of the house took place preparatory to our departure.
作為我們離開的準備，我們把屋子徹底打掃了一遍

【引伸】
prepar.ato.rily
adv.（副詞）